package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler//全局异常
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }

    @ExceptionHandler//捕获sql的异常 NEW
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex)
    { //Duolicate entry "zhangsan" for key "employee.idx_username"
        String message=ex.getMessage();
        if(message.contains("Duplicate entry")){
            String[] split =message.split(" ");
            String username=split[2];
            String msg =username+ "已存在";
            return Result.error(msg);

        }else
            return Result.error(MessageConstant.UNKNOWN_ERROR);

    }


}
